If we invite Mike, he will certainly go with us to the concert.
Ответ:
1. have bought
2. have been shopping
3. I have practised
4. have you been studying
5. have you done
Объяснение:
I helping mother now. I don't helpinig mother now
A-Hello.You must be(your name)
B-Thats me.I want to become a volonteer.
A-Why do you want it
B- I like helping people and l think l have all skills to do that
A-Are you a hard working person
B-Yes and helping people is my main priority
A-So l think you cold be a relief worker.
B- great.thank you very much
G:
1. (-) you don't know the answer
(?) do you know the answer?
2. (-) he hasn't breakfast at 8 o'clock
(?) has he the breakfast at 8 o'clock?
3. Тут наверное ошибка, тк предложение и так уже положительное.
(-) some schoolgirls don't wear uniforms
(?) do some schoolgirls wear uniforms?
4. (+) she cut her husband's hear
(-) she doesn't cut her husband's hair
5. (-) she doesn't do her homework everyday
(?) does she do her homework everyday?